This chapter discusses the expansion of liberal policies under Presidents Kennedy and Johnson in the 1960s, including Kennedy's "New Frontier" agenda and Johnson's "Great Society" programs. It also examines the growing civil rights movement and protests against racial inequality, as well as the escalating US involvement in the Vietnam War, which contributed to rising domestic unrest and opposition. The chapter explores the political and social turmoil of 1968, including the assassinations of Martin Luther King Jr. and Robert Kennedy, and concludes with Richard Nixon's election in the wake of these crises.